Maxton Design Side Skirts Diffusers Audi S4 / A4 S-line B9 BMW ABS products are characterized with

ABS products are characterized with increased strength and flexibility

Data from the ECU is read and individually optimized

Comes in alloy finish

Airtec Stage 2 intercooler:

5T EA855 EVO (Requires x5)

Maxton Design Side Skirts Diffusers Audi S4 / A4 S-line B9 BMW ABS products are characterized withSide Skirts Diffusers Audi S4 A4 S Line B9FITS ONLY: Audi S4 B9 Sedan Avant (2015 )Audi A4 S Line B9 Sedan Avant (2016 ) COMPLETE SET CONTAINS: > Side Skirt Splitters > Mounting Kit > Mounting Manual Please note, the majority of our products are made from ABS plastic, the flexibility of these products provides them the ability to withstand some pressure. We highly recommend installations are completed by a professional to ensure the product is fitted